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Horntail or wood wasp are any of the 150 non-social species of the hymenopteran family Siricidae, a type of wood-eating sawfly.The common name "horntail" derives from the stout, spine-like structure at the end of the adult's abdomen which is present in both sexes.
Urocerus gigas, the giant woodwasp, banded horntail, or greater horntail, is a species of sawfly native to the Palearctic realm and North Africa but also reside in North America and Kelty since 2004. Though they are not wasps, their appearance resembles one due to mimicry . [ 1 ]
Sirex is a genus of wasps in the family Siricidae, the horntails or wood wasps. Their bodies are black with a dark blue or green metallic reflection with some species having reddish-brown portions. [1] They inject eggs with fungal endosymbionts into wood.
However, the wasp mainly infests weakened trees; only when the population is high does the insect also attack intact and healthy trees. [16] [17] Because the wasp larvae and the fungus need living wood, the European woodwasp does not infest dry or dead timber. However, wasps may hatch from processed wood which was already infested.
Urocerus cressoni Norton, 1864 g b (black and red horntail) Urocerus flavicornis Fabricius, 1781 g b (yellow-horned horntail wasp) Urocerus franzinii C.Pesarini & F.Pesarini, 1977 g; Urocerus gigas (Linnaeus, 1758) b (giant woodwasp) Urocerus japonicus (Smith, 1874) [4] (Japanese horntail) Urocerus sah (Mocsáry, 1881) g
Wasps come in a variety of colors — from yellow and black to red and blue — and are split into two primary groups: social and solitary. Most wasps are solitary, non-stinging insects that do ...
Xeris spectrum is a kind of horntail or wood wasp, that lives in coniferous forests.It is large wasp with a powerful ovipositor in females. [1] Unlike other Siricid Wood wasps, Xeris spectrum does not have symbiotic fungi to aid its larvae as they burrow in the wood of fir and other conifer trees making it unique in the Siricidae. [2]
Sirex juvencus is a species of horntail found in Europe, Siberia, Sakhalin Island, Japan, the Philippines, Algeria and several other countries. Its common name is steely-blue wood wasp because of its color.